101323031 has 2 divisors, whose sum is σ = 101323032. Its totient is φ = 101323030.

The previous prime is 101323003. The next prime is 101323037. The reversal of 101323031 is 130323101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101323031 - 2¹⁸ = 101060887 is a prime.

It is a super-2 number, since 2×101323031² = 20532713222053922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 101322997 and 101323015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101323037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50661515 + 50661516.

It is an arithmetic number, because the mean of its divisors is an integer number (50661516).

Almost surely, 2^101323031 is an apocalyptic number.

101323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101323031 is an equidigital number, since it uses as much as digits as its factorization.

101323031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 101323031 is about 10065.9341841679. The cubic root of 101323031 is about 466.1969103421.

Adding to 101323031 its reverse (130323101), we get a palindrome (231646132).

The spelling of 101323031 in words is "one hundred one million, three hundred twenty-three thousand, thirty-one".